Referance materials like books, journals,articles researcher name the published year on commercial assessment of coffee farming for smallholder farmers livelihood sustainability?

1. "Coffee Agroecology: A New Approach to Understanding Agricultural Biodiversity, Ecosystem Services and Sustainable Development" by Ivette Perfecto, John Vandermeer, and Angus Wright (2009)

2. "Sustainable Coffee Production: A Guide for Growers and Researchers" by Jean Nicolas Wintgens (2015)

3. "The Coffee Paradox: Global Markets, Commodity Trade and the Elusive Promise of Development" by Benoit Daviron and Stefano Ponte (2005)

4. "Coffee and Sustainability: A Comparative Analysis of Coffee Certification Schemes" by Andrea Biswas-Tortajada (2014)

5. "Sustainable Coffee at Origin: A Guide to Best Practices for Coffee Farmers" by the Sustainable Coffee Challenge (2019)

6. "The Economics of Coffee" by N. Bhaskara Rao (2019)

7. "Coffee: A Comprehensive Guide to the Bean, the Beverage, and the Industry" edited by Robert W. Thurston, Jonathan Morris, and Shawn Steiman (2013)

8. "The Coffee Book: Anatomy of an Industry from Crop to the Last Drop" by Gregory Dicum and Nina Luttinger (2006)

9. "Coffee and Community: Maya Farmers and Fair-Trade Markets" by Sarah Lyon (2010)

10. "The Coffee Companion: A Connoisseur's Guide" by Jon Thorn and Michael Segal (2014)

Thank so much I am very for your assistance